skdiff usability improvements: summary to stdout, -diff in output filenames,
better statistics on HTML page when using -white, output directory name is
optional.

codereview.appspot.com/4590048/


git-svn-id: http://skia.googlecode.com/svn/trunk@1553 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed